Recently, the pilot project of the national cross-border business blockchain service platform was officially launched. As the first batch of pilot banks of the platform, Industrial Bank successfully exported the accounts receivable financing business through the platform. The platform provides enterprise financing application, bank financing acceptance, financing audit and loan registration full-process services. It closely matches the bank's existing business processes, and realizes online verification of the authenticity, available quota and use status of customs declarations, greatly improving The accuracy of the bank trade background authenticity audit and the efficiency of financing business processing. The national cross-border business blockchain service platform has greatly improved the level of facilitation of cross-border financing, eased the cross-border financing difficulties of SMEs, and raised the problem of financing, and further improved the level of banking services.